9
Electrical apparatus and instruments; electrochemical cells; energy storage plants; electricity storage apparatus; fuel cells; electrochemical processing plants; electrodes; scientific apparatus for use in water purification; parts and fittings for the aforesaid goods
16
Printed matter and publications; books, magazines and journals
37
Installation, repair, maintenance and operation services for electrochemical cells, energy storage plants, fuel cells, electrochemical processing plants, apparatus and equipment electrodes and water purification apparatus; operation of electrochemical processing plants and electrochemical cells; energy storage plants and water purification plants for others
41
Educational services; organization of conferences and seminars for educational purposes
42
Services relating to the installation, repair, maintenance and operation of electrochemical processing plants, energy storage plants, fuel cells, electrochemical processing plants, electrodes and water purification apparatus; research, design and consultancy services relating to all the aforesaid services
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